54 lines
1.4 KiB
Vue
54 lines
1.4 KiB
Vue
<template>
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<div class="scroll-btn d-print-none" @click.prevent="scroll" :style="`opacity: ${shown ? 1 : 0}`">
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<SquareButton link="#" :colour="colour" :aria-label="$t('table.scrollUp')">
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<Icon v="arrow-alt-up"/>
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</SquareButton>
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</div>
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</template>
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<script>
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export default {
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props: {
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colour: { 'default': null },
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},
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data() {
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return {
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shown: false,
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}
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},
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created() {
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if (process.client) {
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this.updateShown();
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window.addEventListener('scroll', this.updateShown);
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}
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},
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destroyed() {
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if (process.client) {
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document.removeEventListener('scroll', this.updateShown);
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}
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},
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methods: {
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scroll() {
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document.body.scrollTop = 0;
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document.querySelector('html').scrollTop = 0;
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},
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updateShown() {
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const st = document.body.scrollTop || document.querySelector('html').scrollTop;
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this.shown = st > 300;
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}
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},
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}
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</script>
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<style lang="scss" scoped>
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@import "assets/variables";
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.scroll-btn {
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position: fixed;
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bottom: $spacer;
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right: $spacer;
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transition: all .5s ease-in-out;
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z-index: 1030;
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}
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</style>
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